TSN's James Duthie reported that Sharp has a separated shoulder, posting on his official Twitter account that Sharp has "a fairly severe AC joint shoulder separation."
In 24 games this season, Sharp has five goals and 18 points.
The Blackhawks meet the Avalanche again Friday at Pepsi Center (9 p.m. ET, NHLN-US), trying to extend their point streak to 25 games to start this season, and 31 stretching to the end of the 2011-12 regular season.
You could see out there that everybody was willing to compete, to sacrifice, even blocking shots to the end. Even in the third when we were up 5-0, guys were still working hard and blocking shots That's a nice feeling also for the future.
— Flames goalie Jonas Hiller after his team's 5-0 win over Carolina